<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #app {
            width: 1000px;
            margin: 0 auto;
        }

        .seckill {
            position: fixed;
            top: 150px;
            left: 400px;
        }

        .bg {
            width: 1000px;
            margin: 0 auto;
        }

        .seckill-wrap {
            display: none;
        }


        .shade {
            background-color: #fff;
            width: 1000px;
            height: 2330px;
            position: absolute;
            top: 0;
            opacity: 0.5;
        }

        span {
            width: 60px;
            height: 60px;
            background-color: transparent;
            display: block;
            position: fixed;
            top: 170px;
            left: 750px;
            text-align: center;
            line-height: 60px;
            font-size: 40px;
            cursor: pointer;

        }
    </style>
</head>

<body>
    <div id="app">
        <div>
            <img src="../img/bj.png" alt="" class="bg">
        </div>
        <div class="seckill-wrap">
            <div class="shade"></div>
            <img src="../img/t_five_sian.png" alt="" class="seckill">
            <div><span>×</span></div>
        </div>

    </div>

</body>
<script src="../js/task2.js"></script>

</html>